Simple, the rewards and the money. Winning/losing in a gambling game can hamper hamper your decision making skills since you are blinded with the hope of winning money. Regardless of the results of your game (either you win or lose), the result would still be the same- you will still play the game.

In gambling, one must possess discipline and self-control over the temptations in the environment. Setting limitations can significantly provide you with the necessary help over the addiction but change really comes from the mind and the will.